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Play 12 Bolts of Thunder for Free
Thunderkick
3.7
260 Ratings
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12 Bolts of Thunder Slot Review
Spin the 12 Bolts of Thunder online slot and enjoy Norse-themed features. Collect Thor’s hammers to win up to 1,000x your bet. Trigger or buy free spins with hammer wins and win up to 30,000x your bet. Spin for free, or play 12 Bolts of Thunder for real money at the best online casinos.
Game Info
Return to Player
96.15
Volatility
High
Provider
Thunderkick
Autoplay
Bonus Buy
Bonus Rounds
Cascading Reels/Avalanche Feature
Cluster Pays
Expanding
Free Spins
Gamble
Jackpot Slots
Megaways
Mobile
Multiplier Symbols
Mystery
Scatter Symbols
Spreading
Stacked
Sticky
Number of Paylines
20
Layout
Min Bet
0.1
Max Bet
100
Release Date
11/30/2023
Last Update
1/12/2026
About Thunderkick Game Provider
Other Games from Thunderkick
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Listen to the Thunder on Mobile, Tablet, or Desktop
The 12 Bolts of Thunder slot machine is a Norse-themed game created by Thunderkick, making it one of the best online slots. Win prizes by lining up retro symbols like lucky 7s, bars, and bells. Win bigger prizes by collecting Thor’s hammers. Play 12 Bolts of Thunder on mobile, tablet, and desktop, and use the bonus symbols to trigger free spins.
Get Lucky with 7s
Wager 0.10 to 100 coins a spin when you play 12 Bolts of Thunder slot online and hit winning combos on 20 paylines. Winning prizes is as easy as lining up three or more matching symbols, while five-of-a-kind lucky 7s offer a top payout of 2,000 coins. Play 12 Bolts of Thunder at popular online slot sites and enjoy an RTP of 96.15%.
Hammer Out Big Wins
Hit 4-12 hammers on a spin and check the prize you’ve won in the hammer paytable to the right of the reels. You’ll win up to 1,000x your bet. Land three, four, or five bonus symbols to trigger six, nine, or 12 free spins. Land a hammer win during this feature to activate three more free spins.
Purchase the free spins feature with bonus-buy when you play 12 the Bolts of Thunder slot machine at the best real money online casinos and win up to 30,000x your bet.
Symbol
Features / Top Prizes
Bonus Symbols
Free Spin Feature
Hammers
1,000x Bet
Lucky 7s
2,000
Bars
1,500
Bells
1,000
Horseshoes
500
A
300
K
250
Q
200
J
150
Clap More Thunder-Themed Slots
After you’ve activated the exciting wins and features of the 12 Bolts of Thunder online slot, spin Norse-themed slots from other software providers. Trigger free spins, expanding reels, and jackpot prizes when you play Age of the Gods: Norse Ways of Thunder by Playtech.
Activate an exciting free spin feature when you play Thunderstruck Wild Lightning by Microgaming.
Let this Thunder Roll
Now you’ve read our 12 Bolts of Thunder review, spin this top online slot at the recommended casinos. Trigger or buy free spins with hammer wins and win up to 30,000x your bet.
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